/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2016 Regents of the University of California.
*
* This file is part of the nTorrent codebase.
*
* nTorrent is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* nTorrent is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with nTorrent, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS for complete list of nTorrent authors and contributors.
*/

#ifndef NDN_TESTS_UNIT_TESTS_UNIT_TEST_TIME_FIXTURE_HPP
#define NDN_TESTS_UNIT_TESTS_UNIT_TEST_TIME_FIXTURE_HPP

#include <ndn-cxx/util/time-unit-test-clock.hpp>

#include <boost/asio/io_service.hpp>

namespace ndn {
namespace ntorrent {
namespace tests {

class UnitTestTimeFixture
{
public:
  UnitTestTimeFixture()
    : steadyClock(make_shared<time::UnitTestSteadyClock>())
    , systemClock(make_shared<time::UnitTestSystemClock>())
  {
    time::setCustomClocks(steadyClock, systemClock);
  }

  ~UnitTestTimeFixture()
  {
    time::setCustomClocks(nullptr, nullptr);
  }

  void
  advanceClocks(const time::nanoseconds& tick, size_t nTicks = 1)
  {
    for (size_t i = 0; i < nTicks; ++i) {
      steadyClock->advance(tick);
      systemClock->advance(tick);

      if (io.stopped())
        io.reset();
      io.poll();
    }
  }

public:
  shared_ptr<time::UnitTestSteadyClock> steadyClock;
  shared_ptr<time::UnitTestSystemClock> systemClock;
  boost::asio::io_service io;
};

} // namespace tests
} // namespace ntorrent
} // namespace ndn

#endif // NDN_TESTS_UNIT_TESTS_UNIT_TEST_TIME_FIXTURE_HPP